Min. [Named, 1861, by Mitscherlich after K. J. Löwig, who first analysed it.] Hydrous sulphate of aluminium and potassium, found in yellowish nodules (A. H. Chester).
1862. Amer. Jrnl. Sci., XXXIV. 215. Löwigite
the variety of alunite analysed by Löwig.